In the miraculous Xingyao Conservatory of Music, Lin Xia, a girl with a musical dream, accidentally awakens the music spirit during the freshman talent show, but is involved in the conspiracy of the shadow organization. The mysterious and aloof senior Ye Ying and her playful and cute friend Su Tang formed a team with her. Facing the evil forces trying to control the music world, they used notes as blades and grew up side by side in the battle. When Ye Ying takes off his mask, the mysterious "Seal of Star Strings" awakens, and a musical adventure about love and protection begins, composing a passionate movement of youth.
